IR2175S

IR2175S is a dual-channel, high-side/low-side gate driver IC (half-bridge driver) from Infineon/International Rectifier. It provides independent HO (high-side) and LO (low-side) outputs to drive MOSFETs in switching power supplies and motor controllers, using a bootstrap circuit to drive the high-side gate when the switching node rises. Key features typically include UVLO protection, shoot-through prevention with dead-time control, fast turn-on/turn-off, and fault/status indicators. It’s designed for applications like DC-DC converters, LLC resonant converters, offline power supplies, and motor drives, and usually comes in an 8-pin package (S suffix often denotes SOIC).
How to use (high level): power the logic supply (VCC) and ground (COM), connect a bootstrap capacitor between BOOT and HS, connect HO to the high-side MOSFET gate and LO to the low-side gate, with HS tied to the half-bridge switching node. Check the datasheet for exact pinout, voltage limits, and recommended bootstrap components.

IR2175S is a dual high-side/low-side gate driver for N‑channel MOSFETs in a half‑bridge. Key features:
- Two independent outputs: HO (high-side) and LO (low-side) for a half-bridge.
- Bootstrap high-side drive (VB–VS) to enable high-side gate drive from a floating supply.
- Wide operating bus voltage (up to around 600 V class devices) suitable for offline SMPS and motor drives.
- Logic inputs and a shutdown input (IN1/IN2 and SHDN) with TTL/CMOS compatibility.
- UVLO protection on both VCC and VB to ensure safe startup and operation; automatic retry/fault handling.
- Cross-conduction protection with built-in dead-time control to prevent shoot-through.
- Fast gate drive capability for efficient switching and reduced switching losses.
- Packaged in an 8-pin (SOIC) footprint with standard pinout for easy integration.
Applications include offline switch-mode power supplies, LLC resonant, flyback/buck-boost topologies, and motor drive front-ends. Note: refer to the datasheet for exact electrical specifications and recommended operating conditions.

IR2175S comes in an 8-pin surface-mount SOIC (SOP-8) package.

- Pin count: 8 pins (SO-8 style package)
- Function: Dual gate driver for a half-bridge (IGBT/MOSFET). Provides HO (high-side) and LO (low-side) outputs, uses a bootstrap supply VB–VS for the high-side driver, with logic supply VCC and ground GND. Inputs typically include IN (control) and an enable/shutdown pin (EN/SD). VS is the high-side return (switch node).

Manufacturer: Infineon Technologies AG (the IR prefix comes from International Rectifier, which is now part of Infineon).
What kind of company: A German multinational semiconductor company that designs and manufactures power semiconductors and related integrated circuits for automotive, industrial, and consumer electronics.

IR2175S is a two-channel bootstrapped high-side/low-side gate driver for N-channel MOSFETs in half-bridge topologies. Typical application areas:
- Switch-mode power supplies (PFC, LLC, flyback)
- DC-DC converters
- Motor drives (BLDC, PMSM)
- Solar and grid-tied inverters
- UPS and energy-storage inverters
- Other high-voltage half-bridge gate-driving needs